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RestfoxHoppscotch
Free

Free and open source.

 Freemium

Free and open source under the MIT licence, including self-hosting. A paid cloud plan…

Web Windows, macOS, Linux, Web, Self-hosted, Browser extension
  • Lightweight and quick to open
  • Works offline
  • Opens in a browser tab with nothing to install
  • HTTP, GraphQL, WebSocket, Server-Sent Events, Socket.IO and MQTT
  • Fewer collaboration and automation features than larger API platforms
  • The browser version needs an extension or the desktop app to reach local services
  • Team collaboration features are the paid part
Downloadable app, Web application Web application, Downloadable app, Self-hosted, Browser extension
Open source Open source
License not stated License: MIT
Not stated if an account is needed No account needed
Works offline Works offline

Checked September 23, 2026

Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.